What does the t test compare?
A) the mean scores of two groups on the same variable to determine the probability that the groups are different
B) the mean scores of two variables to see if they belong to the same group
C) the skew of two different samples to see if they come from the same population
D) the skew of two different samples to see which distribution is closest to the normal distribution

Question

Quizplus · Accepted Answer

The t test compares the mean scores of two groups on the same variable to determine the probability that the groups are different. This is commonly used in hypothesis testing to determine if there is a significant difference between two groups.

What Does the T Test Compare